Nothing in this chapter shall be construed to prevent the performance of service and repair of any elevator in any structure by individuals working in a manufacturing or industrial facility, who are all of the following:

(1) Recognized by their company as a person responsible for repairs, maintenance, or service.

(2) Registered with the Board.

(3) Working under the supervision of a master elevator mechanic or a master electrician with a special elevator license.

83 Del. Laws, c. 469, § 1; 70 Del. Laws, c. 186, § ?1;